please tell faaaaaaaaaaaaassssssst
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Answered by
0
Answer:
d
Step-by-step explanation:
x+2x+90=180
since sum of interior angles of triangle is 180 degree
=> 3x+90=180
=>3x=180-90=90
=>x=90/3
=>x=30
Answered by
1
Step-by-step explanation:
(d) 30
the right answer....
okkkk
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